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Home >> Plymouth >> 1988 >> Colt Premier, 1.5 K, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - BOSCH LH-JETRONIC >> Testing >> Idle Switch (ISC Servo)
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Idle Switch (ISC Servo)

Ensure ignition switch is in "OFF" position. Disconnect ISC motor connector. Using an ohmmeter, check continuity between terminal No. 2 and ISC motor ground. See Figure . With accelerator pedal depressed, no continuity should be present. With accelerator released, continuity should be present. If as specified, replace ISC servo assembly.